2006 Audi S4 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 88 more horse power than 2009 Audi A4. (252 HP @ 5100 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 600 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi S4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Audi S4 (410 Nm @ 3500 RPM) has 79 more torque (in Nm) than 2009 Audi A4. (331 Nm @ 3250 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A4 has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi S4 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | S4 | A4 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 252 HP |
| Engine RPM | 7000 RPM | 5100 RPM |
| Torque | 410 Nm | 331 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 84.6 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1530 kg | 930 kg |
| Vehicle Length | 4590 mm | 4580 mm |
| Vehicle Width | 1790 mm | 1400 mm |
| Vehicle Height | 1420 mm | 1780 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
